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Hey guys, my stepfather and I are replacing the 7 1/4 rear in his 72 dart with an 8 3/4,(3.23 gears, 489 case) open gear rearend. We are at the stage where we are installing the axles and backing plates. My stepfather bought Yukon axles from Mancini Racing to be installed. We installed the...

I am putting the pumpkin back into the housing and when I took it apart, I did not find any evidince that there was sealer on it, just gasket. I'm thinking I should use the gasket sealer but I just wanted to make sure.

Hey guys, I have taken the 3.23 gears out of the 489 case and cleaned them all up, and replaced the bearings and races. I am trying to put this thing back together but I've got a problem. I am using the same yoke and pinion that I took out but now, I cant get them to go back together. I even...

Hey guys, I am about to lose my mind. How in the hell do I get the pinion seal out of the carrier? I watched a video about rebuilding 8 3/4 rearends and the guy in the video just pulled his right off. Of course his hasn't been in the same place bolted down for the last 30 years or so. Any...

Hey guys, will I have any problems putting a suregrip from a 741 case with 3.91 gears into a 489 case with 3.55 gears and stock axles? Will this work?

Hey guys, I am going to switch the shifter from the wheel to the floor in my 70 Duster. I just found a factory shifter and linkage from a 66 Barracuda and was wondering if this will work in my duster. Thanks for your help

Hey guys, I just bought a center pumpkin for my 8 3/4. I finally got hold of one that i could afford (yeeee-haaawww). It's a 489 case with 3.55 gears....... but it is a non-posi unit. My question is, what are the bennifits (thats not spelled right) of adding the posi to my differential...

Hey guys, I'm trying to get the axles out of my 8 3/4 rear end. I got the 4 or 5 main bolts holding the axle to the housing off, but the axle wont come out. have I missed a bolt or a screw or something? Or is the axle just stuck because its been in the housing for over 30 years? whatever...

Hello Everyone, I'm About To Get Started On Sanding The Rust Off Of My 8 3/4 Rearend And I Was Wondering If There Is A Special Kind Of Paint I Need To Repaint It Or Will A Can Of Krylon Do?

Is It Possible To Use The Axles From A 7 1/4 Rearend In An 8 3/4?

HI, HOW DOES ADDING A SUREGRIP TO AN A BODY 8.75 REAREND HELP? WHAT DOES IT DO? IS IT WORTH $425? ANY HELP IS APPRECIATED. THANKS :batman:

hi, i have noticed there are different gear ratios in an 8/34 rearend. the most common i believe is the 3.55 ratio. i also noticed there is a 4.56. besides the size, what are the differences in these. is one better than the other for a street performance application? any help is...

I'M PUTTING TOGETHER A 360/727 PERFORMANCE 70 DUSTER. I'M TRYING TO FIGURE OUT WHAT TORQUE CONVERTER I SHOULD USE FOR A HIGH PERFORMANCE STREET MACHINE APPLICATION. ANY HELP OR SUGGESTIONS ARE APPRECIATED. :help: